Home / 759,321.64-1,047,818.84-419,769.64

Finding the Fourth Proportional to 759,321.64, 1,047,818.84 and 419,769.64

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Solution

The fourth proportional to 759,321.64, 1,047,818.84 and 419,769.64 is: 579,257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,321.64 : 1,047,818.84 = 419,769.64 : x
  2. Step 2: Convert to fraction form
    759,321.64/1,047,818.84 = 419,769.64/x
  3. Step 3: Cross multiply
    759,321.64x = 1,047,818.84 × 419,769.64
  4. Step 4: Simplify right side
    759,321.64x = 439,842,537,252.02
  5. Step 5: Solve for x
    x = 439,842,537,252.02/759,321.64
  6. Step 6: Final answer
    x = 579,257.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.